DE3380338D1 - Radio transmitter/receiver - Google Patents
Radio transmitter/receiverInfo
- Publication number
- DE3380338D1 DE3380338D1 DE8383102720T DE3380338T DE3380338D1 DE 3380338 D1 DE3380338 D1 DE 3380338D1 DE 8383102720 T DE8383102720 T DE 8383102720T DE 3380338 T DE3380338 T DE 3380338T DE 3380338 D1 DE3380338 D1 DE 3380338D1
- Authority
- DE
- Germany
- Prior art keywords
- receiver
- radio transmitter
- transmitter
- radio
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B15/00—Suppression or limitation of noise or interference
- H04B15/02—Reducing interference from electric apparatus by means located at or near the interfering apparatus
- H04B15/04—Reducing interference from electric apparatus by means located at or near the interfering apparatus the interference being caused by substantially sinusoidal oscillations, e.g. in a receiver or in a tape-recorder
- H04B15/06—Reducing interference from electric apparatus by means located at or near the interfering apparatus the interference being caused by substantially sinusoidal oscillations, e.g. in a receiver or in a tape-recorder by local oscillators of receivers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/06—Receivers
- H04B1/16—Circuits
- H04B1/26—Circuits for superheterodyne receivers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
- H04B1/50—Circuits using different frequencies for the two directions of communication
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
- H04B1/403—Circuits using the same oscillator for generating both the transmitter frequency and the receiver local oscillator frequency
- H04B1/408—Circuits using the same oscillator for generating both the transmitter frequency and the receiver local oscillator frequency the transmitter oscillator frequency being identical to the receiver local oscillator frequency
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP57043966A JPS58161432A (ja) | 1982-03-18 | 1982-03-18 | 無線送受信機 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3380338D1 true DE3380338D1 (en) | 1989-09-07 |
Family
ID=12678443
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8383102720T Expired DE3380338D1 (en) | 1982-03-18 | 1983-03-18 | Radio transmitter/receiver |
Country Status (5)
Country | Link |
---|---|
US (1) | US4542531A (de) |
EP (1) | EP0089649B1 (de) |
JP (1) | JPS58161432A (de) |
CA (1) | CA1198778A (de) |
DE (1) | DE3380338D1 (de) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60117927A (ja) * | 1983-11-30 | 1985-06-25 | Clarion Co Ltd | シンセサイザ受信機 |
GB8806194D0 (en) * | 1988-03-16 | 1988-04-13 | Shaye Communications Ltd | Transceivers |
US5291474A (en) * | 1989-05-18 | 1994-03-01 | Nokia Mobile Phones Ltd. | Procedure for forming frequencies of a digital radio telephone |
US5152005A (en) * | 1990-01-22 | 1992-09-29 | Motorola, Inc. | High resolution frequency synthesis |
DE4021294A1 (de) * | 1990-07-04 | 1992-01-09 | Grundig Emv | Sende- und n-fach-superhet-empfangseinrichtung fuer ein geraet der nachrichtentechnik |
DE4036418A1 (de) * | 1990-11-15 | 1992-05-21 | Grundig Emv | Funkgeraet fuer ein fdm-tdm-funkuebertragungssystem |
JPH04269021A (ja) * | 1991-02-25 | 1992-09-25 | Nec Corp | 双方向ページングシステムおよび該システムに用いられる携帯無線機 |
JP2800858B2 (ja) * | 1991-09-18 | 1998-09-21 | 日本電気株式会社 | 無線電話装置 |
DE4201415A1 (de) * | 1992-01-21 | 1993-07-22 | Telefunken Microelectron | Kombiniertes funksende- und -empfangsgeraet mit einer pll-schaltung |
WO1994006206A1 (en) * | 1992-08-27 | 1994-03-17 | Motorola Inc. | Push pull buffer with noise cancelling symmetry |
KR100303703B1 (ko) * | 1993-03-10 | 2001-11-22 | 클라크 3세 존 엠. | 자기조정한계를지니는데이타신호비교기 |
US5453714A (en) * | 1993-03-10 | 1995-09-26 | National Semiconductor Corporation | Binary FM demodulator with self-adjusting resonant operating frequency according to demodulated binary output signal duty cycle |
US5465418A (en) * | 1993-04-29 | 1995-11-07 | Drexel University | Self-oscillating mixer circuits and methods therefor |
GB2279848B (en) * | 1993-06-02 | 1997-04-23 | Vtech Communications Ltd | A transmitting and receiving system and transmitter-receiver utilized therein |
US5423076A (en) * | 1993-09-24 | 1995-06-06 | Rockwell International Corporation | Superheterodyne tranceiver with bilateral first mixer and dual phase locked loop frequency control |
US6118984A (en) * | 1997-04-08 | 2000-09-12 | Acer Peripherals, Inc. | Dual conversion radio frequency transceiver |
DE69840754D1 (de) * | 1997-10-14 | 2009-05-28 | Cypress Semiconductor Corp | Digitaler funksendeempfänger |
US6587670B1 (en) * | 1998-12-22 | 2003-07-01 | Harris Corporation | Dual mode class D amplifiers |
US6757906B1 (en) | 1999-03-30 | 2004-06-29 | Tivo, Inc. | Television viewer interface system |
US8346172B2 (en) * | 2009-05-27 | 2013-01-01 | Csr Technology Inc. | Systems and methods providing wideband tuners controlling spurious signal placement in the capture bandwidth |
JP5759422B2 (ja) * | 2012-06-25 | 2015-08-05 | 日本電信電話株式会社 | 受信機及び受信方法 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR932631A (fr) * | 1941-08-20 | 1948-03-26 | Pye Ltd | Système de signalisation par onde porteuse à haute fréquence modulée |
US3983484A (en) * | 1974-12-06 | 1976-09-28 | Nihon Dengyo Co., Ltd. | Multichannel signal transmitting and receiving apparatus |
JPS524105A (en) * | 1975-06-27 | 1977-01-13 | Trio Kenwood Corp | Frequency synthesizer-method transmitter-receiver |
US4002995A (en) * | 1975-07-07 | 1977-01-11 | Motorola, Inc. | Digital frequency synthesizer having selectable frequency offset between transmit and receive frequencies |
JPS53130911A (en) * | 1977-04-20 | 1978-11-15 | Matsushita Electric Ind Co Ltd | Pll synthesizer |
JPS54127209A (en) * | 1978-03-27 | 1979-10-03 | Hitachi Denshi Ltd | Structure system of radio equipment |
JPS5820172B2 (ja) * | 1979-02-28 | 1983-04-21 | 日本電信電話株式会社 | 移動無線機の中間周波数設定方法 |
US4476575A (en) * | 1982-12-13 | 1984-10-09 | General Electric Company | Radio transceiver |
-
1982
- 1982-03-18 JP JP57043966A patent/JPS58161432A/ja active Granted
-
1983
- 1983-03-15 CA CA000423659A patent/CA1198778A/en not_active Expired
- 1983-03-15 US US06/475,539 patent/US4542531A/en not_active Expired - Lifetime
- 1983-03-18 DE DE8383102720T patent/DE3380338D1/de not_active Expired
- 1983-03-18 EP EP83102720A patent/EP0089649B1/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US4542531A (en) | 1985-09-17 |
CA1198778A (en) | 1985-12-31 |
EP0089649A2 (de) | 1983-09-28 |
JPH0123012B2 (de) | 1989-04-28 |
EP0089649B1 (de) | 1989-08-02 |
EP0089649A3 (en) | 1986-04-16 |
JPS58161432A (ja) | 1983-09-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |